Question

what is valency how calculate

Answer 1

To calculate the valency of an element(or molecule, for that matter), there are multiple methods. ... The valency of an atom is equal to the number of electrons in the outer shell if that number is four or less. Otherwise, the valency is equal to eight minus the number of electrons in the outer shell.

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Answer 2

Valence is calculated by

Nearest inert configuration - atomic no. Of the element

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